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math.NA2023
An equilibrated flux a posteriori error estimator for defeaturing problems
Annalisa Buffa, Ondine Chanon, Denise Grappein +2
An a posteriori error estimator based on an equilibrated flux reconstruction is proposed for defeaturing problems in the context of finite element discretizations. Defeaturing cons…
math.NA2023
A shape derivative approach to domain simplification
Jochen Hinz, Ondine Chanon, Alessandra Arrigoni +1
The objective of this study is to address the difficulty of simplifying the geometric model in which a differential problem is formulated, also called defeaturing, while simultaneo…